Karyotype is prognostically more important than the FAB system's distinction between myelodysplastic syndrome and acute myelogenous leukemia Estey, E.H.; Keating, M.J.; Dixon, D.O.; Trujillo, J.M.; McCredie, K.B.; Freireich, E.J. Hematologic Pathology 1(4): 203-208 1987 0886-0238 https://eurekamag.com/research/005/777/005777788.php